Lines Matching refs:dpi
53 static enum dss_clk_source dpi_get_clk_src_dra7xx(struct dpi_data *dpi, in dpi_get_clk_src_dra7xx() argument
66 if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL1_1)) in dpi_get_clk_src_dra7xx()
72 if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL1_3)) in dpi_get_clk_src_dra7xx()
74 if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL2_3)) in dpi_get_clk_src_dra7xx()
80 if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL2_1)) in dpi_get_clk_src_dra7xx()
82 if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL1_3)) in dpi_get_clk_src_dra7xx()
93 static enum dss_clk_source dpi_get_clk_src(struct dpi_data *dpi) in dpi_get_clk_src() argument
95 enum omap_channel channel = dpi->output.dispc_channel; in dpi_get_clk_src()
102 switch (dpi->dss_model) { in dpi_get_clk_src()
129 return dpi_get_clk_src_dra7xx(dpi, channel); in dpi_get_clk_src()
137 struct dpi_data *dpi; member
186 return dispc_div_calc(ctx->dpi->dss->dispc, dispc, in dpi_calc_hsdiv_cb()
203 return dss_pll_hsdiv_calc_a(ctx->dpi->pll, clkdco, in dpi_calc_pll_cb()
204 ctx->pck_min, dss_get_max_fck_rate(ctx->dpi->dss), in dpi_calc_pll_cb()
214 return dispc_div_calc(ctx->dpi->dss->dispc, fck, in dpi_calc_dss_cb()
219 static bool dpi_pll_clk_calc(struct dpi_data *dpi, unsigned long pck, in dpi_pll_clk_calc() argument
225 ctx->dpi = dpi; in dpi_pll_clk_calc()
226 ctx->clkout_idx = dss_pll_get_clkout_idx_for_src(dpi->clk_src); in dpi_pll_clk_calc()
228 clkin = clk_get_rate(dpi->pll->clkin); in dpi_pll_clk_calc()
230 if (dpi->pll->hw->type == DSS_PLL_TYPE_A) { in dpi_pll_clk_calc()
239 return dss_pll_calc_a(ctx->dpi->pll, clkin, in dpi_pll_clk_calc()
243 dss_pll_calc_b(dpi->pll, clkin, pck, &ctx->pll_cinfo); in dpi_pll_clk_calc()
254 static bool dpi_dss_clk_calc(struct dpi_data *dpi, unsigned long pck, in dpi_dss_clk_calc() argument
270 ctx->dpi = dpi; in dpi_dss_clk_calc()
277 ok = dss_div_calc(dpi->dss, pck, ctx->pck_min, in dpi_dss_clk_calc()
288 static int dpi_set_pll_clk(struct dpi_data *dpi, unsigned long pck_req) in dpi_set_pll_clk() argument
294 ok = dpi_pll_clk_calc(dpi, pck_req, &ctx); in dpi_set_pll_clk()
298 r = dss_pll_set_config(dpi->pll, &ctx.pll_cinfo); in dpi_set_pll_clk()
302 dss_select_lcd_clk_source(dpi->dss, dpi->output.dispc_channel, in dpi_set_pll_clk()
303 dpi->clk_src); in dpi_set_pll_clk()
305 dpi->mgr_config.clock_info = ctx.dispc_cinfo; in dpi_set_pll_clk()
310 static int dpi_set_dispc_clk(struct dpi_data *dpi, unsigned long pck_req) in dpi_set_dispc_clk() argument
316 ok = dpi_dss_clk_calc(dpi, pck_req, &ctx); in dpi_set_dispc_clk()
320 r = dss_set_fck_rate(dpi->dss, ctx.fck); in dpi_set_dispc_clk()
324 dpi->mgr_config.clock_info = ctx.dispc_cinfo; in dpi_set_dispc_clk()
329 static int dpi_set_mode(struct dpi_data *dpi) in dpi_set_mode() argument
333 if (dpi->pll) in dpi_set_mode()
334 r = dpi_set_pll_clk(dpi, dpi->pixelclock); in dpi_set_mode()
336 r = dpi_set_dispc_clk(dpi, dpi->pixelclock); in dpi_set_mode()
341 static void dpi_config_lcd_manager(struct dpi_data *dpi) in dpi_config_lcd_manager() argument
343 dpi->mgr_config.io_pad_mode = DSS_IO_PAD_MODE_BYPASS; in dpi_config_lcd_manager()
345 dpi->mgr_config.stallmode = false; in dpi_config_lcd_manager()
346 dpi->mgr_config.fifohandcheck = false; in dpi_config_lcd_manager()
348 dpi->mgr_config.video_port_width = dpi->data_lines; in dpi_config_lcd_manager()
350 dpi->mgr_config.lcden_sig_polarity = 0; in dpi_config_lcd_manager()
352 dss_mgr_set_lcd_config(&dpi->output, &dpi->mgr_config); in dpi_config_lcd_manager()
355 static int dpi_clock_update(struct dpi_data *dpi, unsigned long *clock) in dpi_clock_update() argument
361 if (dpi->pll) { in dpi_clock_update()
362 if (!dpi_pll_clk_calc(dpi, *clock, &ctx)) in dpi_clock_update()
367 if (!dpi_dss_clk_calc(dpi, *clock, &ctx)) in dpi_clock_update()
396 static void dpi_init_pll(struct dpi_data *dpi) in dpi_init_pll() argument
400 if (dpi->pll) in dpi_init_pll()
403 dpi->clk_src = dpi_get_clk_src(dpi); in dpi_init_pll()
405 pll = dss_pll_find_by_src(dpi->dss, dpi->clk_src); in dpi_init_pll()
414 dpi->pll = pll; in dpi_init_pll()
424 struct dpi_data *dpi = drm_bridge_to_dpi(bridge); in dpi_bridge_attach() local
429 dpi_init_pll(dpi); in dpi_bridge_attach()
431 return drm_bridge_attach(bridge->encoder, dpi->output.next_bridge, in dpi_bridge_attach()
440 struct dpi_data *dpi = drm_bridge_to_dpi(bridge); in dpi_bridge_mode_valid() local
450 ret = dpi_clock_update(dpi, &clock); in dpi_bridge_mode_valid()
461 struct dpi_data *dpi = drm_bridge_to_dpi(bridge); in dpi_bridge_mode_fixup() local
465 ret = dpi_clock_update(dpi, &clock); in dpi_bridge_mode_fixup()
478 struct dpi_data *dpi = drm_bridge_to_dpi(bridge); in dpi_bridge_mode_set() local
480 dpi->pixelclock = adjusted_mode->clock * 1000; in dpi_bridge_mode_set()
485 struct dpi_data *dpi = drm_bridge_to_dpi(bridge); in dpi_bridge_enable() local
488 if (dpi->vdds_dsi_reg) { in dpi_bridge_enable()
489 r = regulator_enable(dpi->vdds_dsi_reg); in dpi_bridge_enable()
494 r = dispc_runtime_get(dpi->dss->dispc); in dpi_bridge_enable()
498 r = dss_dpi_select_source(dpi->dss, dpi->id, dpi->output.dispc_channel); in dpi_bridge_enable()
502 if (dpi->pll) { in dpi_bridge_enable()
503 r = dss_pll_enable(dpi->pll); in dpi_bridge_enable()
508 r = dpi_set_mode(dpi); in dpi_bridge_enable()
512 dpi_config_lcd_manager(dpi); in dpi_bridge_enable()
516 r = dss_mgr_enable(&dpi->output); in dpi_bridge_enable()
524 if (dpi->pll) in dpi_bridge_enable()
525 dss_pll_disable(dpi->pll); in dpi_bridge_enable()
528 dispc_runtime_put(dpi->dss->dispc); in dpi_bridge_enable()
530 if (dpi->vdds_dsi_reg) in dpi_bridge_enable()
531 regulator_disable(dpi->vdds_dsi_reg); in dpi_bridge_enable()
536 struct dpi_data *dpi = drm_bridge_to_dpi(bridge); in dpi_bridge_disable() local
538 dss_mgr_disable(&dpi->output); in dpi_bridge_disable()
540 if (dpi->pll) { in dpi_bridge_disable()
541 dss_select_lcd_clk_source(dpi->dss, dpi->output.dispc_channel, in dpi_bridge_disable()
543 dss_pll_disable(dpi->pll); in dpi_bridge_disable()
546 dispc_runtime_put(dpi->dss->dispc); in dpi_bridge_disable()
548 if (dpi->vdds_dsi_reg) in dpi_bridge_disable()
549 regulator_disable(dpi->vdds_dsi_reg); in dpi_bridge_disable()
561 static void dpi_bridge_init(struct dpi_data *dpi) in dpi_bridge_init() argument
563 dpi->bridge.funcs = &dpi_bridge_funcs; in dpi_bridge_init()
564 dpi->bridge.of_node = dpi->pdev->dev.of_node; in dpi_bridge_init()
565 dpi->bridge.type = DRM_MODE_CONNECTOR_DPI; in dpi_bridge_init()
567 drm_bridge_add(&dpi->bridge); in dpi_bridge_init()
570 static void dpi_bridge_cleanup(struct dpi_data *dpi) in dpi_bridge_cleanup() argument
572 drm_bridge_remove(&dpi->bridge); in dpi_bridge_cleanup()
585 static enum omap_channel dpi_get_channel(struct dpi_data *dpi) in dpi_get_channel() argument
587 switch (dpi->dss_model) { in dpi_get_channel()
593 switch (dpi->id) { in dpi_get_channel()
615 static int dpi_init_output_port(struct dpi_data *dpi, struct device_node *port) in dpi_init_output_port() argument
617 struct omap_dss_device *out = &dpi->output; in dpi_init_output_port()
621 dpi_bridge_init(dpi); in dpi_init_output_port()
624 dpi->id = port_num <= 2 ? port_num : 0; in dpi_init_output_port()
639 out->dev = &dpi->pdev->dev; in dpi_init_output_port()
642 out->dispc_channel = dpi_get_channel(dpi); in dpi_init_output_port()
645 r = omapdss_device_init_output(out, &dpi->bridge); in dpi_init_output_port()
647 dpi_bridge_cleanup(dpi); in dpi_init_output_port()
658 struct dpi_data *dpi = port->data; in dpi_uninit_output_port() local
659 struct omap_dss_device *out = &dpi->output; in dpi_uninit_output_port()
664 dpi_bridge_cleanup(dpi); in dpi_uninit_output_port()
677 static int dpi_init_regulator(struct dpi_data *dpi) in dpi_init_regulator() argument
688 vdds_dsi = devm_regulator_get(&dpi->pdev->dev, "vdds_dsi"); in dpi_init_regulator()
695 dpi->vdds_dsi_reg = vdds_dsi; in dpi_init_regulator()
703 struct dpi_data *dpi; in dpi_init_port() local
708 dpi = devm_kzalloc(&pdev->dev, sizeof(*dpi), GFP_KERNEL); in dpi_init_port()
709 if (!dpi) in dpi_init_port()
723 dpi->data_lines = datalines; in dpi_init_port()
725 dpi->pdev = pdev; in dpi_init_port()
726 dpi->dss_model = dss_model; in dpi_init_port()
727 dpi->dss = dss; in dpi_init_port()
728 port->data = dpi; in dpi_init_port()
730 r = dpi_init_regulator(dpi); in dpi_init_port()
734 return dpi_init_output_port(dpi, port); in dpi_init_port()
739 struct dpi_data *dpi = port->data; in dpi_uninit_port() local
741 if (!dpi) in dpi_uninit_port()